/Engine/Plugins/Runtime/GameplayAbilities/Source/GameplayAbilities/Public/GameplayCueManager.h
Looks in the EditorObjectLibrary for a notify for this tag, if it finds it, it loads it and puts it in the RuntimeObjectLibrary so that it can be previewed in the editor
void LoadNotifyForEditorPreview ( [FGameplayTag](API\Runtime\GameplayTags\FGameplayTag) GameplayCueTag )